gimplify.c (gimplify_expr): Do not crash when folding (void *)(int)&a + 4.

	* gimplify.c (gimplify_expr): Do not crash when folding
	(void *)(int)&a + 4.

From-SVN: r124497

gcc/ChangeLog

+2007-05-07  Jan Hubicka  <jh@suse.cz>
+
+	* gimplify.c (gimplify_expr): Do not crash when folding
+	(void *)(int)&a + 4.
+
 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 
 	PR driver/31694

gcc/gimplify.c

@@ -5887,6 +5887,8 @@ gimplify_expr (tree *expr_p, tree *pre_p, tree *post_p,
 	  if (POINTER_TYPE_P (TREE_TYPE (*expr_p))
 	      && TREE_CODE (TREE_OPERAND (*expr_p, 0)) == NOP_EXPR
 	      && TREE_CODE (TREE_OPERAND (*expr_p, 1)) == INTEGER_CST
+	      && POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (TREE_OPERAND (*expr_p,
+									0),0)))
 	      && (tmp = maybe_fold_offset_to_reference
 			 (TREE_OPERAND (TREE_OPERAND (*expr_p, 0), 0),
 			  TREE_OPERAND (*expr_p, 1),